Most traditional pig farmers in China use "hanging shelves." Although this breeding method utilizes a large amount of green and roughage, the feeding time is too long because the protein and mineral elements required for the normal growth of the pig in the early stage cannot be satis…

Fresh yam can be stored at room temperature for a period of 6 to 8 months with a little treatment, and it is commercially available at high prices in the non-production season. From June to August 2001, the price of fresh yam on the vegetable market in Lusi Town, Qidong City was as high as RMB…

In rainy and snowy weather, the snow on the seedling shed film should be cleaned in time to prevent frozen seedlings from falling. Farmers everywhere must pay close attention to the snow conditions, pay attention to the weather forecast, and should also promptly clean up in case of heavy snowf…

(1) Harvesting fruit of Rosa roxburghii fruit is harvested at an appropriate period of time when the fruit is golden yellow, at which point the aroma is rich and the sugar is high. However, according to the determination of Guizhou Agricultural College, the vitamin C content of the fruit o…

First, strict disinfection. Prepare a brooding room before picking up. Feeding troughs, drinking fountains and other utensils are first soaked in hot alkaline water or 0.2% potassium permanganate, then rinsed with clean water and dried for use. The brooding room should be thoroughly cleaned be…

The selection of varieties with strong resistance to diseases and pests in agricultural control is an economic and effective measure to prevent and control diseases and insect pests, such as Fortunella incense; use of high-quality virus-free seedlings; 2-3 years of rational crop rotation o…

Plant transgenic technology is the transfer of exogenous genes derived from any organism or even artificially synthesized in vitro recombinant DNA into plant cells or tissues to obtain new genetic characteristics, so as to get rid of seasonal, climate and other environmental impacts on crops. …

The greenhouse production of green food in the greenhouse requires the soil to be loose and soft, with moderate sand and sticky, organic matter, rich soil and fertilizer, good structure, complete nutrients, sufficient fertilizer, strong fertility, large number of microorganisms, high activ…

During the winter and spring seasons, greenhouses often suffer from severe weather such as cold currents, continuous yin, rain and snow, and high winds. Corresponding management measures should be taken in time to reduce losses.
First, snowfall management measures encountered snowfall, it…

I. Symptoms The disease is caused by Fusarium. The leaves of some plants in the early stages of infection are yellow, and the leaves of sunny plants show wilting, which can be restored at night and wilted again during the day until death. Petiole edematous, sometimes with epidermal longitudina…

The function of the piglet to regulate body temperature is not perfect, and it is poor in cold stress. The newborn piglet is in an environment of 13°C to 24°C, and the body temperature drops by more than 1.7°C for 1 hour. Piglets are sparsely coated with subcutaneous fat and energ…

Rapeseed is a winter crop, but if the temperature is too low or there is a phenomenon of dry freezing, it will also cause damage to rape and reduce the biomass of rapeseed. Before and after the coldest weather occurred in January, the following antifreeze measures can be taken:
Before the…